#include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
	int  c,i;

	for(i=1; i <10;i++)
	{
		for (c = 1; c < 10; c++)


		{
			if ((c * 10 + 2)*(70 + i) != 3848) continue;
			cout << "ԭʽΪ" << c << "2*7" << i<<"\n";
		}
		
		
		
		
		
	}

}